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Finding the Fourth Proportional to 61,882.64, 85,398.12 and 33,588.32

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Solution

The fourth proportional to 61,882.64, 85,398.12 and 33,588.32 is: 46,351.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,882.64 : 85,398.12 = 33,588.32 : x
  2. Step 2: Convert to fraction form
    61,882.64/85,398.12 = 33,588.32/x
  3. Step 3: Cross multiply
    61,882.64x = 85,398.12 × 33,588.32
  4. Step 4: Simplify right side
    61,882.64x = 2,868,379,381.96
  5. Step 5: Solve for x
    x = 2,868,379,381.96/61,882.64
  6. Step 6: Final answer
    x = 46,351.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.